{ "id": "CVE-2022-33906", "sourceIdentifier": "cve@mitre.org", "published": "2022-11-15T00:15:11.870", "lastModified": "2023-02-14T12:15:14.957", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "DMA transactions which are targeted at input buffers used for the FwBlockServiceSmm software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the FwBlockServiceSmm driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in kernel 5.2: 05.27.23, 5.3: 05.36.23, 5.4: 05.44.23, 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022048" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.5, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-367" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.2.05.27.23", "matchCriteriaId": "94BB75BA-F075-45A2-AD76-BA8DCA2F4CEF" }, { "vulnerable": true, "criteria": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.3.05.36.23", "matchCriteriaId": "B164BDEE-BE93-4EB5-89E7-AB2D63512CA6" }, { "vulnerable": true, "criteria": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.4.05.44.23", "matchCriteriaId": "A5CC2DFA-DE56-4615-8F35-84F3ACD3B541" }, { "vulnerable": true, "criteria": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.5.05.52.23", "matchCriteriaId": "9786B2BB-8754-4BA4-868E-FA2468D13AD2" } ] } ] } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf", "source": "cve@mitre.org" }, { "url": "https://www.insyde.com/security-pledge", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.insyde.com/security-pledge/SA-2022048", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] } ] }